The Hiperfire line of AR-15 trigger upgrades is deigned to provide you with a high quality trigger system. The Hiperfire offers you a high quality alternative to mil-spec triggers while maintaining functionality and reliability. This single stage semi auto trigger provides you with Radical Sear Mechanics, Heavy SwingFast Hammer Head, and MIL++ Heavy Duty Hammer Springs. You should expect a crisp, clean trigger break with a very short over travel and a very positive reset you can feel and hear.